parallel port - definition. What is parallel port
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%ما هو (من)٪ 1 - تعريف

AN INTERFACE FOR CONNECTING PERIPHERALS TO COMPUTERS, MAINLY USED FOR CONNECTING PRINTERS; WAS REPLACED BY OTHER TECHNOLOGIES LIKE USB AND WLAN
LPT; Line Printing Terminal; LPT port; Parallel interface; Paralell communications; Paralell interface; Lpt port; Parallel interface port; Parallel Port; Printer port; JetIndirect; 0x378; Parallel connector; Parallel printer port; Parallel cable
  • [[Accton]] Etherpocket-SP parallel port [[ethernet]] adaptor (circa 1990, [[DOS]] drivers). Supports both coax and 10 Base-T. Supplementary power is drawn from a [[PS/2 port]] passthrough cable.
  • Micro ribbon 36-pin female, such as on printers and on some computers, particularly industrial equipment and early (pre-1980s) personal computers.
  • Mini-Centronics 36-pin male connector (top) with Micro ribbon 36-pin male Centronics connector (bottom)
  • 150px
  • [[Pinout]]s for parallel port connectors.

parallel port         
<hardware> An interface from a computer system where data is transferred in or out in parallel, that is, on more than one wire. A parallel port carries one bit on each wire thus multiplying the transfer rate obtainable over a single wire. There will usually be some control signals on the port as well to say when data is ready to be sent or received. The commonest kind of parallel port is a printer port, e.g. a Centronics port which transfers eight bits at a time. Disks are also connected via special parallel ports, e.g. SCSI or IDE. (1995-01-24)
LPT         
Line PrinTer
printer port         
<hardware, printer> A connector found on many microcomputers intended for attaching a printer. This may be a general-purpose input/output parallel port or may be a special Centronics interface. Most printers can also be connected to a serial port but that is unlikely to be described as a "printer port". (1996-01-07)

ويكيبيديا

Parallel port

In computing, a parallel port is a type of interface found on early computers (personal and otherwise) for connecting peripherals. The name refers to the way the data is sent; parallel ports send multiple bits of data at once (parallel communication), as opposed to serial communication, in which bits are sent one at a time. To do this, parallel ports require multiple data lines in their cables and port connectors and tend to be larger than contemporary serial ports, which only require one data line.

There are many types of parallel ports, but the term has become most closely associated with the printer port or Centronics port found on most personal computers from the 1970s through the 2000s. It was an industry de facto standard for many years, and was finally standardized as IEEE 1284 in the late 1990s, which defined the Enhanced Parallel Port (EPP) and Extended Capability Port (ECP) bi-directional versions. Today, the parallel port interface is virtually non-existent in new computers because of the rise of Universal Serial Bus (USB) devices, along with network printing using Ethernet and Wi-Fi connected printers.

The parallel port interface was originally known as the Parallel Printer Adapter on IBM PC-compatible computers. It was primarily designed to operate printers that used IBM's eight-bit extended ASCII character set to print text, but could also be used to adapt other peripherals. Graphical printers, along with a host of other devices, have been designed to communicate with the system.